From: Serkan Donmez (donmezse@hotmail.com)
Date: Tue 04 Jul 2000 - 07:38:39 EEST
cat /proc/pci komutunun ciktisi.....
PCI devices found:
Bus 0, device 0, function 0:
Host bridge: Intel 440BX - 82443BX Host (rev 3).
Medium devsel. Master Capable. Latency=64.
Prefetchable 32 bit memory at 0xe8000000 [0xe8000008].
Bus 0, device 1, function 0:
PCI bridge: Intel 440BX - 82443BX AGP (rev 3).
Medium devsel. Master Capable. Latency=64. Min Gnt=136.
Bus 0, device 7, function 0:
ISA bridge: Intel 82371AB PIIX4 ISA (rev 2).
Medium devsel. Fast back-to-back capable. Master Capable. No
bursts.
Bus 0, device 7, function 1:
IDE interface: Intel 82371AB PIIX4 IDE (rev 1).
Medium devsel. Fast back-to-back capable. Master Capable.
Latency=64.
I/O at 0xf000 [0xf001].
Bus 0, device 7, function 2:
USB Controller: Intel 82371AB PIIX4 USB (rev 1).
Medium devsel. Fast back-to-back capable. IRQ 11. Master Capable.
Latency=64.
I/O at 0xe000 [0xe001].
Bus 0, device 7, function 3:
Bridge: Intel 82371AB PIIX4 ACPI (rev 2).
Medium devsel. Fast back-to-back capable.
Bus 0, device 8, function 0:
SCSI storage controller: Adaptec AHA-2940U2 (rev 0).
Medium devsel. Fast back-to-back capable. BIST capable. IRQ 10.
Master Capable. Latency=64. Min Gnt=39.Max Lat=25.
I/O at 0xe400 [0xe401].
Non-prefetchable 64 bit memory at 0xef201000 [0xef201004].
Bus 0, device 9, function 0:
Ethernet controller: Intel 82557 (rev 8).
Medium devsel. Fast back-to-back capable. IRQ 5. Master Capable.
Latency=64. Min Gnt=8.Max Lat=56.
Non-prefetchable 32 bit memory at 0xef202000 [0xef202000].
I/O at 0xe800 [0xe801].
Non-prefetchable 32 bit memory at 0xef100000 [0xef100000].
Bus 0, device 10, function 0:
Ethernet controller: Intel 82557 (rev 8).
Medium devsel. Fast back-to-back capable. IRQ 9. Master Capable.
Latency=64. Min Gnt=8.Max Lat=56.
Non-prefetchable 32 bit memory at 0xef200000 [0xef200000].
I/O at 0xec00 [0xec01].
Non-prefetchable 32 bit memory at 0xef000000 [0xef000000].
Bus 1, device 0, function 0:
VGA compatible controller: S3 Inc. Unknown device (rev 2).
Vendor id=5333. Device id=8a13.
Medium devsel. Master Capable. Latency=64. Min Gnt=4.Max Lat=255.
Non-prefetchable 32 bit memory at 0xe0000000 [0xe0000000].
Cekirdekteki SMP destegini kaldirdik. Degisiklik yok.
>From: Serdar KOYLU <skoylu@altavista.com>
>Reply-To: linux@listweb.bilkent.edu.tr
>To: Multiple recipients of list LINUX <linux@listweb.bilkent.edu.tr>
>Subject: [LINUX:17548] Re: scsi
>Date: Mon, 3 Jul 2000 22:26:31 +0300 (EEST)
>
>On Mon, 03 July 2000, "Serkan Donmez" wrote:
>
> >
> > Selam,
> >
> > Bilgisayara tam olarak suse 6.3 yuklendi. Boot disk'ten acip scsi
> > modullerini yukledigimiz zaman normal olarak acilip, sorunsuz olarak
> > calisiyor. (Kullandigimiz boot disk boot_aic .Normal boot diskle acmaya
> > calistigimizda scsi modullerini tanimadi.) Ama lilo'dan acmaya
> > calistigimizda scsi controller'i (adaptec 2940uw) taniyor fakat scsi
> > disklerin hicbirini gormuyor (Uc tane seagate).
>
>....
>....
> > enable_irq() unbalanced from e0417744
> >
> > satiri oldugunda diskleri goruyor. Yani diski gordugu zaman tek fark bu
> > satir,ya da bana oyle geliyor.
>
>Tipik bir IRQ problemi bu aslinda..
>
>Bu satir irq.c tarafindan uretilir. e04.. adresinden cagrilan "kesmeyi ac"
>komutunun cevaplanamadigini gosterir. Bu sorun, SMP (2+ CPU) kernellerde
>yasanir, irq'nun hangi islemcideki APIC'e yoneltilecegi belirlenememistir.
>PIC dengesiz (unbalance) konumdadir. fakat bu kerneller daha complex IRQ
>yonetimine sahiptir. Shared IRQ'lari vs. daha iyi tutabilir. Sanirim boot
>diskinizdeki kernel SMP destekli. Fakat derlediginiz kernel SMP destekli
>degil. Derlediginiz kernele SMP destegi verirseniz, biraz daha buyuk fakat
>bu sorunu cozen bir kernele sahip olabilirsiniz. Tam terside olabilir. SMP
>destekli kerneliniz varsa, SMP desteksiz kernel olusturabilirsiniz. Iki
>tane CPU varsa.. Demokrasilerde careler tukenmez.. :))
>
>Bir baska cozumde IRQ'nun niye acilamadigini bulup, sorunu gidermek
>olabilir. En sik raslanan durum Busmaster veya IRQ cakismasidir. Bu sorun
>varsa, SCSI-Host kartini baska bir slota takmayi deneyebilirsiniz. Host
>karti onboard ise, PCI slotlarindaki kartlari baska bir slota almayi
>deneyebilirsiniz.
>Eger donanim bilgilerinizi ve
>cat /proc/pci
>komutunun ciktisini ekleyebilirseniz daha cok yardimci olabilecegimize
>inaniyorum.
>
>Sonucu listeye yazarsaniz, cok memnun olurum..
>
>Saygi ve sevgiler..
>
>
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>
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